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Quota system for preventing whaling

American researchers propose a cap-and-trade system that would enable environmentalists to pay whaling countries for each whale it refrains from killing. Norwegian experts don’t think the idea will float.

Arctic plants face an uncertain future

A warmer climate will cause a substantial loss of habitat for most Arctic plants. Some species will cope, while others will experience an irrevocable loss of genetic diversity.

From biodiesel by-product to tilapia farming

Large amounts of rapeseed from the production of biodiesel can be used in feed for Nile tilapia, one of the most important fish species in global aquaculture.

Diet outweighs exercise in fighting child obesity

A lower intake of calories is more important than physical exercise when heavy children try to lose weight. Parents also have to be strongly involved.

Bright spots in the environmental gloom

The climate crisis can seem insolvable, but since the 1970s we have actually solved some of our major environmental challenges.

A toe’s tale of monkeys and lemurs

If a fossil has a special second toe, is it an ape or a lemur? A new study has raised doubts about the elongated “toilet claw”, and places Ida – thought to be the earliest and most complete fossil found in our primate group – among the lemurs.

Use your bedroom for sleep and sex only

We have grown more prone to going to bed with technological sleep thieves. But use of mobile phones and PCs at bedtime links to poor sleeping habits.

Where does all the snot come from?

How can humans produce so much phlegm or mucous?

What would we do without the moon?

How would it be on Earth if the Moon had never existed? Would we be in trouble if our celestial satellite were to leave us?

A most unusual cancer patient

One of humankind's genetic cousins is baker's yeast. That makes this humble yeast a perfect guinea pig for cancer research.